2024 Ap biology multiple choice questions

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A lectureship in memory of Dr. George Lyman Duff and sponsored by the AHA ATVB Council, honorees are invited to present a lecture on a topic of their choice The George Lyman Duff M...3. AP Biology Textbooks: Many AP Biology textbooks, such as Campbell Biology and the Barron's AP Biology study guide, come with numerous practice questions, including multiple choice ones. Don't forget to use the questions at the end of each chapter in your textbook, as these are tailored to the specific material covered. 4.gracekang718. AP Biology Unit 5: Heredity Topics - Meiosis, Meiosis and Genetic Diversity, Mendelian Genetics, Non-Mendelian Genetics, Environmental Effects on Phenotype, Chromosomal Inheritance Directions - For each question, choose the best answer (unless otherwise stated) Test Period - You have 22 minutes 30 seconds to answer 30 questions.The exam for child development associates includes multiple-choice questions covering six competency areas established by the child development associate national accrediting progr...AP biology practice exam multiple choice questions and answers 1. 61 terms. Makenzi_Young. Preview. 2021 MCQ Practice Exam - AP Biology. 16 terms. stliah. Preview. 601: Modules 1 - 7. 40 terms. juliette_vallet. Preview. Lung Receptors Overview. 55 terms. Samiera. Preview. Chapter 8 - Connect Practice. 56 terms. Angie_Montemayor4.60 of 60. Quiz yourself with questions and answers for AP Bio | 2020 Practice Exam 2 MCQ, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material.Find thousands of challenging AP Biology practice questions organized by topic and with answers and explanations. Choose from various resources, including official College Board tests, textbook quizzes, flashcards, and more.Multiple-choice questions (MCQ) tests have long been a popular assessment tool in education. With their structured format and ability to measure knowledge and understanding, MCQ te...The AP Biology Exam assesses student understanding of the science practices and learning objectives outlined in the course framework. The exam is 3 hours long and includes 60 multiple-choice questions and 6 free-response questions. A four-function, scientific, or graphing calculator is allowed on both sections of the exam. Learn AP Biology using videos, articles, and AP-aligned multiple choice question practice. Review the fundamentals of biochemistry, cell biology, genetics, evolution, and ecology, and develop scientific thinking skills as you explore the study of life. After overseeing franchises like 'World of Warcraft' and 'Candy Crush,' Activision COO Daniel Alegre will try to lead Yuga Labs into gaming. Activision Blizzard COO Daniel Alegre i...The format of the AP® Biology exam is detailed in the table below: Section. Section I: Multiple Choice Questions. Section II: Free Response Questions. Number of Questions. 60 questions of both discrete questions and question sets. Part A: 2 long answer questions. Part B: 4 short answer questions. Exam Weighting.AP Biology Free Practice Question #3. In an emergency, a doctor can replace a patient’s blood plasma with a solution of 5% human albumin and 0.9% NaCl. A pharmacist does not have ready-made 5% albumin solution and decided to use a 25% albumin solution instead. He mixed 1 part of the 25% solution with 4 parts of sterile …www.njctl.org AP Biology Ecology Multiple Choice Review – Ecology 1. Which level of biological organization includes all others? a. Population b. Organism c. Community d. Ecosystem Questions #2-5 refer to the following information: Nitrogen is the most limiting mineral for plant growth. Although the atmosphere is 79% nitrogen, plantsLike other AP tests, AP Biology has two parts: a multiple-choice section and a free-response section, each of which is worth 50% of your overall score. These sections are then divided further into different types of questions. ... It consists of 60 multiple-choice questions and is one hour and 30 minutes long. Each question contains four answer ...AP Biology Chapter 12 Multiple Choice: The Cell Cycle. 79 terms. Brenschaef14. Preview. AP Biology Lab 04.02-04.04: Signal Transduction. 5 terms. andreaa_bbrosas. Preview. KIN 4070 EXAM Q'S ... Honors anatomy and physiology root word quiz 1. 24 terms. brityson6. Preview. PHYSIOLOGY EXAM #1 . 137 terms. ragrawa3. Preview. 1.1 Lang of anatomy …During the period when life is believed to have begun, the atmosphere on primitive Earth contained abundant amounts of all the following gases EXCEPT. A. oxygen. B. hydrogen. C. ammonia. D. methane. Submit. AP Biology Practice Test 1. This test contains 12 AP biology practice questions with detailed explanations, to be completed in 15 minutes.The second portion of the AP Biology test is the Free-Response Section. In this section, you will have 80 minutes to answer six questions (2 long and 4 short). Practice is crucial to divide your time efficiently. You will get a 10-minute reading period between the multiple-choice and free-response sections. During this time you should read the ...AP Biology Scoring Materials for Digital Exam Practice . Please note: the digital exam practice resource was developed for students to complete technology checks, experience the digital platform, and practice answering exam questions, including each type of multiple-choice and free-response question they will encounter on exam day. www.njctl.org PSI AP Biology Cell Cycle Multiple Choice Review – Cell Cycle Use the following options to answer questions #1-3: I. G 0 II. G 1 III. G 2 IV. S V. Mitosis VI. Cytokinesis 1. The cell cycle is divided into several distinct sub phases. Which sub phases occur during interphase? a. I, II, and III b. II, III, and IV c. I, II, III ... AP Biology: Multiple Choice Questions – Kaplan Test Prep. The multiple-choice questions are numbered, but that does not mean you must answer the … AP Biology Chapter 7 Multiple Choice: Photosynthesis - All Questions. If photosynthesizing green algae are provided with CO₂ synthesized with heavy oxygen (¹⁸O), later analysis will show that all but one of the following compounds produced by the algae contain the ¹⁸O label. That one is. A) 3-phosphoglycerate. B) glyceraldehyde 3 ... Daughter, parental. During the replication of a dna molecule replication can only take place along a template strand from. 3 prime to 5 prime. Study with Quizlet and memorize flashcards containing terms like The two types of purines In a DNA molecule are, Two types of pyrimidines in a DNA molecule are, In a DNA or RNA molecule a p______ S ... A) the light-dependent reactions can occur only in the light, the light-independent reactions only in the dark. B) photorespiration is more efficient at producing glucose than is photosynthesis. C) the light-dependent reactions produce the energy-rich compounds that are used to run the light-independent reactions.Ap Biology- Cellular respiration 43 PRACTICE QUESTIONS. Pyruvate dehydrogenase is an enzyme that converts pyruvate to acetyl-CoA. Acetyl-CoA is further metabolized in the Krebs cycle. A researcher measured the accumulation of acetyl-CoA in a reaction containing pyruvate and pyruvate dehydrogenase under several different conditions (Figure 1).The AP Biology exam is divided into two sections. The first section consists of 63 multiple-choice questions and 6 mathematical grid-in responses. The multiple-choice questions are mostly independent of one another, but sometimes draw information and concepts from the same given figure or data.During almost the entire research period, the population stays between 50 and 75 individuals. Additionally, fewer than half of the voles born do not survive to reproduce, due to predation and competition for food. Then, in one generation, 80% of the voles born live to reproduce. The population increases to 110 individuals. Free 2024 AP Biology multiple choice practice tests scored instantly online. Questions, answers and solutions to pass the ap biology test. Most multiple choice questions on the AP Biology exam look pretty similar. While there are a few stand-alone questions, most, if not all, of the questions will come in sets with some type of information such as a paragraph, science experiment, chart, or graph. If you want to know what multiple choice questions on the AP Biology exam …When it comes to deep cleaning carpets, upholstery, and other surfaces, steam machines have become a popular choice for many homeowners and businesses. However, one question that o...Glycolysis is a sequence of chemical reactions that convert glucose to two three-carbon compounds called pyruvic acid. A. Create visual representations to show how when bonds in the glucose molecules are broken between carbon number 1 and the oxygen atom and between carbons 3 and 4, two molecules of pyruvic acid are produced. Several enzymes … Learn AP Biology using videos, articles, and AP-aligned multiple choice question practice. Review the fundamentals of biochemistry, cell biology, genetics, evolution, and ecology, and develop scientific thinking skills as you explore the study of life. AP Biology Date _____ 1 of 8 Developed by Kim B. Foglia • www.ExploreBiology.com • ©2010 REVIEW UNIT 10: ECOLOGY — SAMPLE QUESTIONS A. Sample Multiple Choice Questions Complete the multiple choice questions to review this unit. 1. All of the following are density-dependent factors that limit animal populations EXCEPT (90:08) In this video, we’ll unpack sample multiple-choice individual questions.Download questions here: https://tinyurl.com/mny4jx49Stay motivated and keep preparin...3. Differential distribution of ions across the axonal membrane. 1, 2, and 3. The Krebs cycle in humans releases. carbon dioxide. a heterotroph. obtains its energy by catabolizing organic molecules. Regarding meiosis and mitosis, one difference between the two forms of cellular reproduction is that in meiosis.The question stem may be as short as a single sentence, but it is not uncommon to see multiple paragraphs for a single question! In addition to words, many question stems will be accompanied by an equation, table, graph or figure. The next question is a typical Stand-Alone. 22. AB+energy→A+B. Which of the following best characterizes the ...Google has removed yet another batch of awful Android apps from the Google Play Store for breaking the company’s terms of service. The roundup includes 101 apps belonging to a sing...Constructing a dam and irrigation system to control flooding. Building ponds in the areas of dry land to promote interbreeding between the separated populations. 20 of 20. Quiz yourself with questions and answers for AP Biology Multiple Choice Exam, so you can be ready for test day.A. none of the traits obeyed the law of segregation. B. the diploid number of chromosomes in the pea plants was 7. C. all of the genes controlling the traits were located on the same chromosome. D. all of the genes controlling the traits behaved as …The AP Biology Exam is 3 hours long and is divided into two sections: Section I (multiple-choice questions) and Section II (free-response questions). The AP biology exam assesses content from each of four big ideas for the course:A) the light-dependent reactions can occur only in the light, the light-independent reactions only in the dark. B) photorespiration is more efficient at producing glucose than is photosynthesis. C) the light-dependent reactions produce the energy-rich compounds that are used to run the light-independent reactions.Nov 22, 2022 · AP Biology Free Practice Question #3. In an emergency, a doctor can replace a patient’s blood plasma with a solution of 5% human albumin and 0.9% NaCl. A pharmacist does not have ready-made 5% albumin solution and decided to use a 25% albumin solution instead. He mixed 1 part of the 25% solution with 4 parts of sterile distilled water. Questions 1 and 2 are long free-response questions that require about 22 minutes each to answer and are worth 10 points each. Questions 3–8 are short free-response questions that require about 6 minutes each to answer. Questions 3–5 are worth 4 points each and questions 6–8 are worth 3 points each. Read each question carefully and completely.Every AP subject has standardized sections on the exam. They usually include multiple choice and free response questions. Each section is worth some number of points based on 1) the number of questions and 2) sometimes a scoring rubric. Each section also has a different weight on your final score.A) The two species of sponge had different enzymes that functioned in the reassembly process. B) The molecules responsible for cellcell adhesion (cell junctions) were irreversibly destroyed. during the experiment. C) The molecules responsible for cellcell adhesion (cell junctions) differed between the two. gracekang718. AP Biology Unit 5: Heredity Topics - Meiosis, Meiosis and Genetic Diversity, Mendelian Genetics, Non-Mendelian Genetics, Environmental Effects on Phenotype, Chromosomal Inheritance Directions - For each question, choose the best answer (unless otherwise stated) Test Period - You have 22 minutes 30 seconds to answer 30 questions. what is the building block of dna? nucleotide. what are the three parts of a nucleotide? 5 carbon sugar, phosphate group, and nitrogen base. what enzymes unwinds the double helix of dna and separates the strands to prepare for replication? helicase. what are the old strands of dna called (before replication)?This is a PDF package of the official AP Biology 2018 full Exam, complete with all sections including: 1. SECTION I: Multiple Choice (Part A & B) 2. SECTION II: Free Response 3. Answer Key You can obtain full PDF package of the official AP Biology 2018 full exam here. Below is a preview of each sections SECTIO.Question 4. How do enzymes change the speed of chemical reactions in cells? A. They increase the heat in the cell, and therefore speed up the reaction by allowing reactants to attain the transition state more often. B. Enzymes speed up reactions by changing the amount of free energy available in the cell for reactions. Please help keep Khan Academy free, for anyone, anywhere forever. Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere. Find out how to use practice tests to prepare for the AP Biology exam and your in-class tests. Learn about the official and unofficial practice tests available, their formats, and their benefits and drawbacks.Pavers are a popular choice for homeowners looking to enhance their outdoor spaces with a durable and aesthetically pleasing option. However, one of the first questions that come t...Jun 4, 2021 · These questions typically make up a little over half of the AP Biology exam. Each Stand-Alone question covers a specific topic, and then the next Stand-Alone hits a different topic. The question stem may be as short as a single sentence, but it is not uncommon to see multiple paragraphs for a single question! To allow students to show their mastery of laboratory science skills and knowledge, some questions in the multiple-choice section and one of the four essay questions may reflect the laboratory work and the objective associated with the AP biology laboratory exercises. The multiple-choice section of the examination counts for 60% and the free ...AP Biology Unit 4: Cell Communication & Cell Cycle Practice Test (Multiple Choice) 30 terms. gracekang718. Preview. Biology Week 1 - Natural Selection. 9 terms. fandom_potatoes. Preview. Biochem Exam 1 (Based on Study Guide) 91 terms. Cici_Brower2. Preview. Chapter 3 Sec 1. Teacher 15 terms. lilaoshi2011.Like other AP tests, AP Biology has two parts: a multiple-choice section and a free-response section, each of which is worth 50% of your overall score. These sections are then divided further into different types of questions. ... It consists of 60 multiple-choice questions and is one hour and 30 minutes long. Each question contains four answer ...ASVAB Test: If you are interested in a military career, then you will need to take the ASVAB test. ASVAB Practice Tests has hundreds of free practice questions. AP Practice Exams is a free online directory of practice tests, notes, study guides, videos, and multiple choice questions. A long list of resources for each AP test.May 16, 2024 · The multiple-choice section includes individual, single questions as well as sets of questions that refer to the same diagram or data presentation. Questions will test your ability to: Explain biological concepts, processes, and models; Analyze diagrams, flow charts, and other visual representations; Use the scientific method Cyclic-AMP binds to the CAP protein. The protein changes shape. Space is increased by the binding of tryptophan. Helix-turn-helix motifs are enabled to bind to the DNA. The assembly of transcription factors on a promoter begins some 25 nucleotides upstream where it binds to a start _______________ sequence.The second portion of the AP Biology test is the Free-Response Section. In this section, you will have 80 minutes to answer six questions (2 long and 4 short). Practice is crucial to divide your time efficiently. You will get a 10-minute reading period between the multiple-choice and free-response sections. During this time you should read the ...c. Scientific study of the population cycles of the snowshoe hare and its predator, the lynx, has revealed that: a. the prey population is controlled by predators alone, b. hares and lynx are so mutually dependent that each species cannot survive without each other. c. multiple biotic and abiotic factors contribute to the cycling of the hare ...This question assesses students’ ability to do the following: Describe and explain biological concepts or processes in applied contexts. Predict the causes or efects of a change in a biological system. Support claim(s) and/or justify predictions. Time Allotted for Question 2 is 15 minutes (plus 5 minutes to submit)The AP Biology exam is divided into two sections. The first section consists of 63 multiple-choice questions and 6 mathematical grid-in responses. The multiple-choice questions are mostly independent of one another, but sometimes draw information and concepts from the same given figure or data.www.njctl.org PSI AP Biology Gene Expression Questions #9-10 refer to the following diagram: 5’ 9. The top strand of DNA is able to be replicated in a continuous line while the bottom strand is replicated in small strands that are later connected. The top red strand is referred to as what? a. Template strand b. Leading strand c. Parental ... Q-Chat. AP Biology Unit 2: Cell Structure & Function Topics - Cell Structure: Subcellular Components, Cell Structure and Function, Cell Size, Plasma Membranes, Membrane Transport, Facilitated Diffusion, Tonicity and Osmoregulation, Mechanisms of Transport, Cell compartmentalization, Origins of Cell Compartmentalization Directions - For each ... This question assesses students’ ability to do the following: Describe and explain biological concepts or processes in applied contexts. Predict the causes or efects of a change in a biological system. Support claim(s) and/or justify predictions. Time Allotted for Question 2 is 15 minutes (plus 5 minutes to submit) The second portion of the AP Biology test is the Free-Response Section. In this section, you will have 80 minutes to answer six questions (2 long and 4 short). Practice is crucial to divide your time efficiently. You will get a 10-minute reading period between the multiple-choice and free-response sections. During this time you should read the ...Ap Biology- Cellular respiration 43 PRACTICE QUESTIONS. Pyruvate dehydrogenase is an enzyme that converts pyruvate to acetyl-CoA. Acetyl-CoA is further metabolized in the Krebs cycle. A researcher measured the accumulation of acetyl-CoA in a reaction containing pyruvate and pyruvate dehydrogenase under several different conditions (Figure 1).Biology, 6/e. Author Dr. George B. Johnson, Washington University Author Dr. Peter H. Raven, Missouri Botanical Gardens & Washington University ... , Washington University. How We Classify Organisms . Multiple Choice Quiz. Please answer all questions. 1. A group of organisms at any particular level in a classification system is called a: A ... gracekang718. AP Biology Unit 5: Heredity Topics - Meiosis, Meiosis and Genetic Diversity, Mendelian Genetics, Non-Mendelian Genetics, Environmental Effects on Phenotype, Chromosomal Inheritance Directions - For each question, choose the best answer (unless otherwise stated) Test Period - You have 22 minutes 30 seconds to answer 30 questions. The primary role of oxygen in cellular respiration is to. A) yield energy in the form of ATP as it is passed down the respiratory chain. B) act as an acceptor for electrons and hydrogen, forming water. C) combine with carbon, forming CO₂. D) combine with lactate, forming pyruvate. additional ATP is created from glucose. excess NADPH is reused in the light reaction. Score =. Correct answers: Quiz over photosynthesis that focuses on how oxygen is split, providing and electron that eventually results in the formation of ATP. This is an advanced quiz intended for students in AP Biology.AP®︎/College Biology. 10 units · 54 skills. Unit 1. Chemistry of life. Unit 2. Cell structure and function. ... Unit 5. Heredity. Unit 6. Gene expression and regulation. Unit 7. Natural selection. Unit 8. Ecology. Unit 9. Worked examples of AP®︎ Biology free response questions. Unit 10. AP®︎ Biology standards mappings. Course ...See full list on apcentral.collegeboard.org Getting a fishing boat can mean a lot more freedom to pursue your favorite hobby away from crowded piers and muddy riverbanks. Ask yourself these questions as you look for fishing ...Biology, 6/e. Author Dr. George B. Johnson, Washington University Author Dr. Peter H. Raven, Missouri Botanical Gardens & Washington University ... , Washington University. How We Classify Organisms . Multiple Choice Quiz. Please answer all questions. 1. A group of organisms at any particular level in a classification system is called a: A ...These questions typically make up a little over half of the AP Biology exam. Each Stand-Alone question covers a specific topic, and then the next Stand-Alone hits a different topic. The question stem may be as short as a single sentence, but it is not uncommon to see multiple paragraphs for a single question!73 of 73. Quiz yourself with questions and answers for AP BIO UNIT 1 TEST- PRACTICE TEST, so you can be ready for test day. Explore quizzes and practice tests created by teachers and students or create one from your course material.AP Biology Multiple Choice. The 60 multiple-choice questions test your grasp of the fundamentals of biology and your ability to apply biological concepts to help solve problems. AP Biology Free Response … The results of this experiment are summarized in the information below: Species 1: Average weight (grams)= 15 and Total Cubic Centimeters of Oxygen Consumed in 1 hour= 0.75. Species 2: Average weight (grams)= 11 and Total Cubic Centimeters of Oxygen Consumed in 1 hour= 0.55. Species 3: Average weight (grams)= 21 and Total Cubic Centimeters of ... AP Biology Chapter 12 Multiple Choice: The Cell Cycle. 79 terms. Brenschaef14. Preview. AP Biology Lab 04.02-04.04: Signal Transduction. 5 terms. andreaa_bbrosas. Preview. KIN 4070 EXAM Q'S ... Honors anatomy and physiology root word quiz 1. 24 terms. brityson6. Preview. PHYSIOLOGY EXAM #1 . 137 terms. ragrawa3. Preview. 1.1 Lang of anatomy …AP Biology Free Practice Question #1. Researchers studied the activity of mevalonate kinase, an enzyme that may be important for biofuel production. The graph below shows the rate of a reaction as … Q-Chat. AP Biology Unit 2: Cell Structure & Function Topics - Cell Structure: Subcellular Components, Cell Structure and Function, Cell Size, Plasma Membranes, Membrane Transport, Facilitated Diffusion, Tonicity and Osmoregulation, Mechanisms of Transport, Cell compartmentalization, Origins of Cell Compartmentalization Directions - For each ... additional ATP is created from glucose. excess NADPH is reused in the light reaction. Score =. Correct answers: Quiz over photosynthesis that focuses on how oxygen is split, providing and electron that eventually results in the formation of ATP. This is an advanced quiz intended for students in AP Biology. This question assesses students’ ability to do the following: Describe and explain biological concepts or processes in applied contexts. Predict the causes or efects of a change in a biological system. Support claim(s) and/or justify predictions. Time Allotted for Question 2 is 15 minutes (plus 5 minutes to submit)

d. the number of neutrons in the outermost energy level. the pH of water to go down. When HCl is dissolved in water, it makes H+ ions and Cl- ions. This causes _____. a. the pH of the water to go up. b. a pH reading of 15. c. the pH of the water to go down. d. a pH reading of 7. It is a universal solvent. . Redners dover de

Unit 1: Chemistry of Life. You’ll learn about water’s role as the basis of life and the functions of macromolecules like lipids and proteins. Topics may include: The structure and chemical properties of water. The makeup and properties of macromolecules. The structure of DNA and RNA. On The Exam. 8%–11% of exam score.The multiple-choice section includes individual, single questions as well as sets of questions that refer to the same diagram or data presentation. Questions will test your ability to: Explain biological concepts, processes, and models; Analyze diagrams, flow charts, and other visual representations; Use the scientific methodAP® BIOLOGY 2013 SCORING GUIDELINES. Question 1 (continued) (e) Briefly propose a model that describes how environmental cues affect the behavior of the flies in the …AP BIOLOGY SAMPLE EXAM QUESTIONS Sample Multiple-Choice Question Two lasks with identical medium containing nutrients and glucose are inoculated with yeast cells that are capable of both anaerobic and aerobic respiration. Culture 1 is then sealed to prevent fresh air from reaching theThere’s three steps to preparing for the AP Exam : study, practice and review. Study : Start by studying the general concepts from every unit of the AP exam. Look over any material and tests from class this year, and go through these AP Biology study guides. AP Practice : Acing the exam is all about being able to recall the information ...This AP Biology Review Guide is a BEAST, but it walks through the entire Course & Exam Description (CED) with I can statements, questions, and practice multiple choice/free response for each unit. Plus, new this year - explanations for …Questions 1 and 2 are long free-response questions that require about 22 minutes each to answer and are worth 10 points each. Questions 3–8 are short free-response questions that require about 6 minutes each to answer. Questions 3–5 are worth 4 points each and questions 6–8 are worth 3 points each. Read each question carefully and completely.Questions on the forklift operator exam are generally confidential and are not given until the actual test is taken. The forklift operator test assesses the test taker’s knowledge ...In the multiple choice section of the AP Biology test, you will have 90 minutes to answer 60 multiple choice questions and 6 grid-in items. The multiple choice questions are composed of two types of questions, stand alone and data questions. Below we provide practice questions for each type and strategies to find the correct answer in the ...AP Exam Multiple Choice questions 1-45. Teacher 45 terms. rebecca_duran9859. Preview. chapter 24 ap bio test bank. 59 terms. leezaj. Preview. Health Test Review ... Preview. AP BIO Chapter 25. 70 terms. ahughes96. Preview. Campbell Biology Chapter 24 Test Preparation. 63 terms. carliepape. Preview. Chapter 14 Sample Questions. 10 …The AP Biology exam is divided into two sections. The first section consists of 63 multiple-choice questions and 6 mathematical grid-in responses. The multiple-choice …Notes on 2020 Exam Sample Question 2. 2020 Question 2 is modified from Free Response Question 4 in the Course and Exam Description, Conceptual Analysis. 2020 Question 2 is a 6-point question that presents students with an authentic scenario describing a biological phenomenon with a disruption. This question assesses students’ …Ap Biology- Cellular respiration 43 PRACTICE QUESTIONS. Pyruvate dehydrogenase is an enzyme that converts pyruvate to acetyl-CoA. Acetyl-CoA is further metabolized in the Krebs cycle. A researcher measured the accumulation of acetyl-CoA in a reaction containing pyruvate and pyruvate dehydrogenase under several different conditions (Figure 1).Multiple Choice Quiz (See related pages) 1. Cells can permanently stop midway in the cell cycle and not complete the cycle. A) True: B) False: 2. DNA must replicate after cell division occurs. A) True: B) False: 3. The diploid chromosome number for the house fly is 12. The haploid number of chromosomes found in their gametes would be _____. This question assesses students’ ability to do the following: Describe and explain biological concepts or processes in applied contexts. Predict the causes or efects of a change in a biological system. Support claim(s) and/or justify predictions. Time Allotted for Question 2 is 15 minutes (plus 5 minutes to submit) Jun 4, 2021 · These questions typically make up a little over half of the AP Biology exam. Each Stand-Alone question covers a specific topic, and then the next Stand-Alone hits a different topic. The question stem may be as short as a single sentence, but it is not uncommon to see multiple paragraphs for a single question! .

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